Created
December 11, 2015 02:39
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#! /usr/bin/env ruby | |
class Circuit | |
def initialize(doc) | |
@doc = doc.split("\n").map(&:strip) | |
program = create(@doc) | |
File.open('program.rb', 'w'){|f| f.puts program} | |
puts | |
eval(program.join("\n")) | |
end | |
def wire(n) | |
if n =~ /^[0-9]+$/ | |
"#{n}" | |
else | |
"wire_#{n}" | |
end | |
end | |
def trace(out) | |
#"puts 'in #{out}'" | |
'' | |
end | |
def create(doc) | |
program = [] | |
calls = [] | |
doc.each do |line| | |
source, out = line.split('->').map(&:strip) | |
if source =~ /AND/ | |
a, b = source.split('AND').map(&:strip) | |
program << "def #{wire(out)}; #{trace(out)}; @#{wire(out)} ||= #{wire(a)} & #{wire(b)}; end" | |
elsif source =~ /OR/ | |
a, b = source.split('OR').map(&:strip) | |
program << "def #{wire(out)}; #{trace(out)}; @#{wire(out)} ||= #{wire(a)} | #{wire(b)}; end" | |
elsif source =~ /LSHIFT/ | |
a, b = source.split('LSHIFT').map(&:strip) | |
program << "def #{wire(out)}; #{trace(out)}; @#{wire(out)} ||= #{wire(a)} << #{wire(b)}; end" | |
elsif source =~ /RSHIFT/ | |
a, b = source.split('RSHIFT').map(&:strip) | |
program << "def #{wire(out)}; #{trace(out)}; @#{wire(out)} ||= #{wire(a)} >> #{wire(b)}; end" | |
elsif source =~ /NOT/ | |
a = source.split('NOT').map(&:strip).last | |
program << "def #{wire(out)}; #{trace(out)}; @#{wire(out)} ||= 65535-#{wire(a)}; end" | |
else | |
program << "def #{wire(out)}; #{trace(out)}; @#{wire(out)} ||= #{wire(source)}; end" | |
end | |
calls << wire(out) | |
end | |
calls = calls.sort.map do |c| | |
quoted = '#{' + c + '}' | |
%Q(puts "#{c}: #{quoted}") | |
end | |
program + calls | |
end | |
end | |
doc =<<-END | |
123 -> x | |
456 -> y | |
x AND y -> d | |
x OR y -> e | |
x LSHIFT 2 -> f | |
y RSHIFT 2 -> g | |
NOT x -> h | |
NOT y -> i | |
END | |
#Circuit.new(doc) | |
Circuit.new(File.read('input1.txt')) |
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